Production of aqueous solutions of mixtures of formyltertrahydro

Details Production of aqueous solutions of mixtures of formyltertrahydro Production of aqueous solutions of mixtures of formyltertrahydro

1999-01-22

1999-08-31

Dentz, Bernard

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549502, C07D30712

Patent

active

059455497

ABSTRACT:
Disclosed is a process for the recovery of formyltetrahydrofurans (FTHF's) produced by the rhodium-catalyzed hydroformylation of 2,5-dihydrofuran (2,5-DHF) wherein the FTHF's are recovered as an equilibrium mixture of 2- from a hydroformylation product solution comprising a rhodium catalyst, 2- and 3-FTHF and an organic hydroformylation solvent obtained as a liquid product take-off from a hydroformylation process wherein 3-FTHF is produced by the hydro-formylation of 2,5-DHF 3-FTHF is a valuable organic intermediate useful, for example, in the preparation of 3-methyltetrahydrofuran and 3-amino-methyltetrahydorfuran.

REFERENCES:
patent: 4215077 (1980-07-01), Matsumoto et al.
patent: 4567305 (1986-01-01), Matsumoto et al.
patent: 4678857 (1987-07-01), Dureanleau et al.
patent: 5138101 (1992-08-01), Devon
patent: 5840928 (1998-11-01), Satoh et al.

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